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Ultrasound
The Gravis UltraSound or GUS is a sound card for the IBM PC compatible system platform, made by Canada-based Advanced Gravis Computer Technology Ltd.
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Treating chronic pain with ultrasound – The device at the center of these human clinical trials, called Diadem, promises to change how certain neurological disorders are treated. Resembling a pair of oversized headphones, it stimulates regions of the deep brain underlying chronic pain and depression